Lug Type Butterfly Valve Installation
Lug type butterfly valves are renowned for their durability and versatility in various industrial applications. Proper installation is crucial to ensure they function correctly and provide a reliable seal within the system. Here’s your comprehensive guide to installing lug type butterfly valves effectively.
Product Description
Step-by-Step Installation Guide
1. Inspection and Preparation:
Before installation, inspect the valve and pipeline for any foreign matter. Ensure the valve is the correct size and rating for the pipeline and that the flanges match up with the valve’s lugs.
2. Aligning the Valve:
Position the valve between the pipe flanges. The lugs in the valve should align with the holes in the flanges. It’s important to ensure that the valve is centered and that the disc is in the closed position to avoid damage during installation.
3. Inserting Bolts:
Insert bolts through the flange holes and thread them into the valve’s lugs. It’s recommended to hand-tighten the bolts initially to ensure proper alignment.
4. Tightening Bolts:
Once all bolts are in place, tighten them in a cross pattern to ensure even pressure. Do not overtighten as this may cause damage to the valve or flanges.
5. Checking Operation:
With the valve installed, operate the disc from the closed to open position and back again to ensure smooth movement. There should be no interference or binding during operation.
6. System Testing:
Finally, perform a system pressure test to check for leaks. If any leaks are found, tighten the bolts further or inspect the seals and gaskets for any issues.
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